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Article
Jeroen Nienhuis, AuteurDans Limosa (76(2) 2003)During winter nights, Black-headed Gulls often forage on discarded human food remains in the city of Groningen. This phenomenon was studied during the winters of 1999/2000 and 2000/01 on two squares in this city. At the end of the afternoon most[...]
Article
Stef van Rijn, Auteur ; Jeroen Nienhuis, AuteurDans Limosa (77(1) 2004)Traditionally, numbers of wintering Great Cormorants in the Netherlands are derived from January count for the International Waterbird Census (IWC) of Wetlands International. However, as the species has become widespread and also inhabits small [...]
